x^2-85x+2800=0

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Solution for x^2-85x+2800=0 equation:


Simplifying
x2 + -85x + 2800 = 0

Reorder the terms:
2800 + -85x + x2 = 0

Solving
2800 + -85x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-2800' to each side of the equation.
2800 + -85x + -2800 + x2 = 0 + -2800

Reorder the terms:
2800 + -2800 + -85x + x2 = 0 + -2800

Combine like terms: 2800 + -2800 = 0
0 + -85x + x2 = 0 + -2800
-85x + x2 = 0 + -2800

Combine like terms: 0 + -2800 = -2800
-85x + x2 = -2800

The x term is -85x.  Take half its coefficient (-42.5).
Square it (1806.25) and add it to both sides.

Add '1806.25' to each side of the equation.
-85x + 1806.25 + x2 = -2800 + 1806.25

Reorder the terms:
1806.25 + -85x + x2 = -2800 + 1806.25

Combine like terms: -2800 + 1806.25 = -993.75
1806.25 + -85x + x2 = -993.75

Factor a perfect square on the left side:
(x + -42.5)(x + -42.5) = -993.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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